**Specifications:**
**Brand:** ORIENT
**Model:** Double Lion Perpetual Calendar Mechanical Watch
**Movement:** Automatic
**Features:**
- Perpetual calendar with week, date, and month display
- Year indication on the dial
- Simplified perpetual calendar system design
**Design Details:**
- 43.5mm immersive perpetual calendar large window for a new visual experience
- Month display showing January, February, March, April, May, June, July, August, September, October, November, December
- Week display showing Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
- Unique three-dimensional hands design with a sunburst effect on the dial
**Movement:**
- ORIENT in-house developed F6 movement
- Date display function with automatic/manual winding
- Time adjustment stop-seconds mechanism for accuracy
- Power reserve of approximately 40 hours at 21600 vibrations per hour
- 21 jewels and red ruby bearings
**Water Resistance:** 50 meters
**Model Display:** Combines taste and strength, aesthetics and details, capturing valuable moments across time
**Additional Information:**
- Suitable for daily wear and water splashes
- Comes with a crown adjustment guide for easy time setting
**Historical Milestones:**
- 1965: Introduction of the first generation perpetual calendar
- 1976: Launch of the second generation perpetual calendar with improved features